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Java ConcurrencyUtils.getThreadsBeginN_2D方法代码示例

本文整理汇总了Java中edu.emory.mathcs.utils.ConcurrencyUtils.getThreadsBeginN_2D方法的典型用法代码示例。如果您正苦于以下问题：Java ConcurrencyUtils.getThreadsBeginN_2D方法的具体用法？Java ConcurrencyUtils.getThreadsBeginN_2D怎么用？Java ConcurrencyUtils.getThreadsBeginN_2D使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类edu.emory.mathcs.utils.ConcurrencyUtils的用法示例。


在下文中一共展示了ConcurrencyUtils.getThreadsBeginN_2D方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: FloatFFT_2D

import edu.emory.mathcs.utils.ConcurrencyUtils; //导入方法依赖的package包/类
/**
 * Creates new instance of FloatFFT_2D.
 * 
 * @param rows
 *            number of rows
 * @param columns
 *            number of columns
 */
public FloatFFT_2D(int rows, int columns) {
    if (rows <= 1 || columns <= 1) {
        throw new IllegalArgumentException("rows and columns must be greater than 1");
    }
    this.rows = rows;
    this.columns = columns;
    if (rows * columns >= ConcurrencyUtils.getThreadsBeginN_2D()) {
        this.useThreads = true;
    }
    if (ConcurrencyUtils.isPowerOf2(rows) && ConcurrencyUtils.isPowerOf2(columns)) {
        isPowerOfTwo = true;
        oldNthreads = ConcurrencyUtils.getNumberOfThreads();
        nt = 8 * oldNthreads * rows;
        if (2 * columns == 4 * oldNthreads) {
            nt >>= 1;
        } else if (2 * columns < 4 * oldNthreads) {
            nt >>= 2;
        }
        t = new float[nt];
    }
    fftRows = new FloatFFT_1D(rows);
    if (rows == columns) {
        fftColumns = fftRows;
    } else {
        fftColumns = new FloatFFT_1D(columns);
    }
}
开发者ID:openimaj，项目名称:openimaj，代码行数:36，代码来源:FloatFFT_2D.java

示例2: DoubleFFT_2D

import edu.emory.mathcs.utils.ConcurrencyUtils; //导入方法依赖的package包/类
/**
 * Creates new instance of DoubleFFT_2D.
 * 
 * @param rows
 *            number of rows
 * @param columns
 *            number of columns
 */
public DoubleFFT_2D(int rows, int columns) {
    if (rows <= 1 || columns <= 1) {
        throw new IllegalArgumentException("rows and columns must be greater than 1");
    }
    this.rows = rows;
    this.columns = columns;
    if (rows * columns >= ConcurrencyUtils.getThreadsBeginN_2D()) {
        this.useThreads = true;
    }
    if (ConcurrencyUtils.isPowerOf2(rows) && ConcurrencyUtils.isPowerOf2(columns)) {
        isPowerOfTwo = true;
        oldNthreads = ConcurrencyUtils.getNumberOfThreads();
        nt = 8 * oldNthreads * rows;
        if (2 * columns == 4 * oldNthreads) {
            nt >>= 1;
        } else if (2 * columns < 4 * oldNthreads) {
            nt >>= 2;
        }
        t = new double[nt];
    }
    fftRows = new DoubleFFT_1D(rows);
    if (rows == columns) {
        fftColumns = fftRows;
    } else {
        fftColumns = new DoubleFFT_1D(columns);
    }
}
开发者ID:openimaj，项目名称:openimaj，代码行数:36，代码来源:DoubleFFT_2D.java

示例3: DoubleDST_2D

import edu.emory.mathcs.utils.ConcurrencyUtils; //导入方法依赖的package包/类
/**
 * Creates new instance of DoubleDST_2D.
 * 
 * @param rows
 *            number of rows
 * @param columns
 *            number of columns
 */
public DoubleDST_2D(int rows, int columns) {
    if (rows <= 1 || columns <= 1) {
        throw new IllegalArgumentException("rows and columns must be greater than 1");
    }
    this.rows = rows;
    this.columns = columns;
    if (rows * columns >= ConcurrencyUtils.getThreadsBeginN_2D()) {
        useThreads = true;
    }
    if (ConcurrencyUtils.isPowerOf2(rows) && ConcurrencyUtils.isPowerOf2(columns)) {
        isPowerOfTwo = true;
        oldNthreads = ConcurrencyUtils.getNumberOfThreads();
        nt = 4 * oldNthreads * rows;
        if (columns == 2 * oldNthreads) {
            nt >>= 1;
        } else if (columns < 2 * oldNthreads) {
            nt >>= 2;
        }
        t = new double[nt];
    }
    dstColumns = new DoubleDST_1D(columns);
    if (columns == rows) {
        dstRows = dstColumns;
    } else {
        dstRows = new DoubleDST_1D(rows);
    }
}
开发者ID:openimaj，项目名称:openimaj，代码行数:36，代码来源:DoubleDST_2D.java

示例4: FloatDST_2D

import edu.emory.mathcs.utils.ConcurrencyUtils; //导入方法依赖的package包/类
/**
 * Creates new instance of FloatDST_2D.
 * 
 * @param rows
 *            number of rows
 * @param columns
 *            number of columns
 */
public FloatDST_2D(int rows, int columns) {
    if (rows <= 1 || columns <= 1) {
        throw new IllegalArgumentException("rows and columns must be greater than 1");
    }
    this.rows = rows;
    this.columns = columns;
    if (rows * columns >= ConcurrencyUtils.getThreadsBeginN_2D()) {
        useThreads = true;
    }
    if (ConcurrencyUtils.isPowerOf2(rows) && ConcurrencyUtils.isPowerOf2(columns)) {
        isPowerOfTwo = true;
        oldNthreads = ConcurrencyUtils.getNumberOfThreads();
        nt = 4 * oldNthreads * rows;
        if (columns == 2 * oldNthreads) {
            nt >>= 1;
        } else if (columns < 2 * oldNthreads) {
            nt >>= 2;
        }
        t = new float[nt];
    }
    dstColumns = new FloatDST_1D(columns);
    if (columns == rows) {
        dstRows = dstColumns;
    } else {
        dstRows = new FloatDST_1D(rows);
    }
}
开发者ID:openimaj，项目名称:openimaj，代码行数:36，代码来源:FloatDST_2D.java

示例5: DoubleDCT_2D

import edu.emory.mathcs.utils.ConcurrencyUtils; //导入方法依赖的package包/类
/**
 * Creates new instance of DoubleDCT_2D.
 * 
 * @param rows
 *            number of rows
 * @param columns
 *            number of columns
 */
public DoubleDCT_2D(int rows, int columns) {
    if (rows <= 1 || columns <= 1) {
        throw new IllegalArgumentException("rows and columns must be greater than 1");
    }
    this.rows = rows;
    this.columns = columns;
    if (rows * columns >= ConcurrencyUtils.getThreadsBeginN_2D()) {
        this.useThreads = true;
    }
    if (ConcurrencyUtils.isPowerOf2(rows) && ConcurrencyUtils.isPowerOf2(columns)) {
        isPowerOfTwo = true;
        oldNthreads = ConcurrencyUtils.getNumberOfThreads();
        nt = 4 * oldNthreads * rows;
        if (columns == 2 * oldNthreads) {
            nt >>= 1;
        } else if (columns < 2 * oldNthreads) {
            nt >>= 2;
        }
        t = new double[nt];
    }
    dctColumns = new DoubleDCT_1D(columns);
    if (columns == rows) {
        dctRows = dctColumns;
    } else {
        dctRows = new DoubleDCT_1D(rows);
    }
}
开发者ID:openimaj，项目名称:openimaj，代码行数:36，代码来源:DoubleDCT_2D.java

示例6: FloatDCT_2D

import edu.emory.mathcs.utils.ConcurrencyUtils; //导入方法依赖的package包/类
/**
 * Creates new instance of FloatDCT_2D.
 * 
 * @param rows
 *            number of rows
 * @param columns
 *            number of columns
 */
public FloatDCT_2D(int rows, int columns) {
    if (rows <= 1 || columns <= 1) {
        throw new IllegalArgumentException("rows and columns must be greater than 1");
    }
    this.rows = rows;
    this.columns = columns;
    if (rows * columns >= ConcurrencyUtils.getThreadsBeginN_2D()) {
        this.useThreads = true;
    }
    if (ConcurrencyUtils.isPowerOf2(rows) && ConcurrencyUtils.isPowerOf2(columns)) {
        isPowerOfTwo = true;
        oldNthreads = ConcurrencyUtils.getNumberOfThreads();
        nt = 4 * oldNthreads * rows;
        if (columns == 2 * oldNthreads) {
            nt >>= 1;
        } else if (columns < 2 * oldNthreads) {
            nt >>= 2;
        }
        t = new float[nt];
    }
    dctColumns = new FloatDCT_1D(columns);
    if (columns == rows) {
        dctRows = dctColumns;
    } else {
        dctRows = new FloatDCT_1D(rows);
    }
}
开发者ID:openimaj，项目名称:openimaj，代码行数:36，代码来源:FloatDCT_2D.java

示例7: DoubleDHT_2D

import edu.emory.mathcs.utils.ConcurrencyUtils; //导入方法依赖的package包/类
/**
 * Creates new instance of DoubleDHT_2D.
 * 
 * @param rows
 *            number of rows
 * @param column
 *            number of columns
 */
public DoubleDHT_2D(int rows, int column) {
    if (rows <= 1 || column <= 1) {
        throw new IllegalArgumentException("rows and columns must be greater than 1");
    }
    this.rows = rows;
    this.columns = column;
    if (rows * column >= ConcurrencyUtils.getThreadsBeginN_2D()) {
        this.useThreads = true;
    }
    if (ConcurrencyUtils.isPowerOf2(rows) && ConcurrencyUtils.isPowerOf2(column)) {
        isPowerOfTwo = true;
        oldNthreads = ConcurrencyUtils.getNumberOfThreads();
        nt = 4 * oldNthreads * rows;
        if (column == 2 * oldNthreads) {
            nt >>= 1;
        } else if (column < 2 * oldNthreads) {
            nt >>= 2;
        }
        t = new double[nt];
    }
    dhtColumns = new DoubleDHT_1D(column);
    if (column == rows) {
        dhtRows = dhtColumns;
    } else {
        dhtRows = new DoubleDHT_1D(rows);
    }
}
开发者ID:openimaj，项目名称:openimaj，代码行数:36，代码来源:DoubleDHT_2D.java

示例8: FloatDHT_2D

import edu.emory.mathcs.utils.ConcurrencyUtils; //导入方法依赖的package包/类
/**
 * Creates new instance of FloatDHT_2D.
 * 
 * @param rows
 *            number of rows
 * @param column
 *            number of columns
 */
public FloatDHT_2D(int rows, int column) {
    if (rows <= 1 || column <= 1) {
        throw new IllegalArgumentException("rows and columns must be greater than 1");
    }
    this.rows = rows;
    this.columns = column;
    if (rows * column >= ConcurrencyUtils.getThreadsBeginN_2D()) {
        this.useThreads = true;
    }
    if (ConcurrencyUtils.isPowerOf2(rows) && ConcurrencyUtils.isPowerOf2(column)) {
        isPowerOfTwo = true;
        oldNthreads = ConcurrencyUtils.getNumberOfThreads();
        nt = 4 * oldNthreads * rows;
        if (column == 2 * oldNthreads) {
            nt >>= 1;
        } else if (column < 2 * oldNthreads) {
            nt >>= 2;
        }
        t = new float[nt];
    }
    dhtColumns = new FloatDHT_1D(column);
    if (column == rows) {
        dhtRows = dhtColumns;
    } else {
        dhtRows = new FloatDHT_1D(rows);
    }
}
开发者ID:openimaj，项目名称:openimaj，代码行数:36，代码来源:FloatDHT_2D.java


注：本文中的edu.emory.mathcs.utils.ConcurrencyUtils.getThreadsBeginN_2D方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。